Answer:
The climate of the earth throughout history has always been <em><u>fluctuated between hot and cold periods. </u></em>
Mass is a body of matter of indefinite shape and considerable size. Density is the degree to which something is filled. Check this website for more a better understanding : <span>www.answers.com/Q/What_is_the_relationship_between_density_and_volume</span>
The temperature of the lithosphere is around 300<span>°C</span> - 500<span>°<span>C</span></span>
Answer:Circuit B is the answer
Explanation: